反应详情

4-(Benzyloxy)-3-chloro-5-(cyclohexyloxy)benzoic acid (4) (329 mg, 97%) was prepared from methyl 4-(benzyloxy)-3-chloro-5-(cyclohexyloxy)benzoate (3) (350 mg, 0.934 mmol) using a procedure essentially the same as in Step (ii) for AAA-001, except that 1,4-dioxane (5 mL) was used instead of THF: m/z 359 [M−H]− (ES−); 1H NMR (400 MHz, DMSO-d6) δ: 13.19 (1H, s), 7.51 (2H, m), 7.48 (2H, m), 7.42-7.33 (3H, m), 5.10 (2H, s), 4.51 (1H, m), 1.94 (2H, m), 1.72 (2H, m), 1.59-1.49 (3H, m), 1.46-1.27 (3H, m).